Compare MERV rating, efficiency, and particle size to find the right filter for your location—from warehouses and offices to hospitals and labs.
Made-to-Order Pleated Panel Air Filters

Minimum filter size is 6" × 6". Maximum filter size is 23" × 30". Multiply the length × width to determine square inches. Then, see size ranges for pricing.
Filters have pleats that create a large surface area for filtering without reducing airflow. They are typically used as replacement filters in HVAC equipment. The cardboard frame is treated to resist humidity, and the galvanized steel grill prevents sagging.
They meet UL 900 flame retardance requirements.
Also Available: Filters larger than 23" × 30". Please ask for 3923T999 and specify material, thickness, actual length, and actual width.
Filter Efficiency @ | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|
Filter Area, sq. in. | MERV Filter Rating | 1 Micron | 3 Microns | Removes Particle Size Down To, microns | Material | Frame Material | Max. Temp., °F | Pkg. Qty. | Pkg. | |
1" Thick | ||||||||||
36-149 | 8 | 44% | 73% | 3 | Polyester Plastic/Polyethylene Plastic Blend | Cardboard | 180° | 12 | 0000000 | 0000000 |
150-199 | 8 | 44% | 73% | 3 | Polyester Plastic/Polyethylene Plastic Blend | Cardboard | 180° | 12 | 0000000 | 000000 |
200-249 | 8 | 44% | 73% | 3 | Polyester Plastic/Polyethylene Plastic Blend | Cardboard | 180° | 12 | 0000000 | 000000 |
250-299 | 8 | 44% | 73% | 3 | Polyester Plastic/Polyethylene Plastic Blend | Cardboard | 180° | 12 | 0000000 | 000000 |
300-399 | 8 | 44% | 73% | 3 | Polyester Plastic/Polyethylene Plastic Blend | Cardboard | 180° | 12 | 0000000 | 000000 |
400-499 | 8 | 44% | 73% | 3 | Polyester Plastic/Polyethylene Plastic Blend | Cardboard | 180° | 12 | 0000000 | 000000 |
500-599 | 8 | 44% | 73% | 3 | Polyester Plastic/Polyethylene Plastic Blend | Cardboard | 180° | 12 | 0000000 | 000000 |
600-690 | 8 | 44% | 73% | 3 | Polyester Plastic/Polyethylene Plastic Blend | Cardboard | 180° | 12 | 0000000 | 000000 |
2" Thick | ||||||||||
36-149 | 8 | 44% | 73% | 3 | Polyester Plastic/Polyethylene Plastic Blend | Cardboard | 180° | 12 | 0000000 | 000000 |
150-199 | 8 | 44% | 73% | 3 | Polyester Plastic/Polyethylene Plastic Blend | Cardboard | 180° | 12 | 0000000 | 000000 |
200-249 | 8 | 44% | 73% | 3 | Polyester Plastic/Polyethylene Plastic Blend | Cardboard | 180° | 12 | 0000000 | 000000 |
250-299 | 8 | 44% | 73% | 3 | Polyester Plastic/Polyethylene Plastic Blend | Cardboard | 180° | 12 | 0000000 | 000000 |
300-399 | 8 | 44% | 73% | 3 | Polyester Plastic/Polyethylene Plastic Blend | Cardboard | 180° | 12 | 0000000 | 000000 |
400-499 | 8 | 44% | 73% | 3 | Polyester Plastic/Polyethylene Plastic Blend | Cardboard | 180° | 12 | 0000000 | 000000 |
500-599 | 8 | 44% | 73% | 3 | Polyester Plastic/Polyethylene Plastic Blend | Cardboard | 180° | 12 | 0000000 | 000000 |
600-690 | 8 | 44% | 73% | 3 | Polyester Plastic/Polyethylene Plastic Blend | Cardboard | 180° | 12 | 0000000 | 000000 |